Skateboard



FIG. 1 is a perspective view of a skateboard showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a side elevational view of a second embodiment of the design shown in FIGS. 1 through 6. 

The ornamental design for a skateboard, substantially as shown and described. 